Go to start . then right click on my computer choose propertys a dialog box comes up choose hardware, choose device manager then look for the network adaptor and see if there is a yellow triagle there if there is then there is something wrong with your nic card or you may have to reconfigure your wireless network . if it is your card then you will have to uninstall and reinstall it

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your notebook has WiFi, which is radio frequency internet, it transmits and receives radio signals (frequencies) . Your desktop, most likely, does not support WiFi on its own , so you need to use RG45 cable , ethernet cable to be connected from your desktop to the router.

So in other words thsi is what happens with your notebook and the router.

your notebook has built in wireless adapter which translates data into a radio signal and transmits it using an antenna.

A wireless router receives the signal and decodes it. The router sends the information to the Internet using a physical, wired Ethernet connection, to your modem (supplied by your Internet Service Provider)

The process also works in reverse, with the router receiving information from the Internet, translating it into a radio signal and sending it to the computer's wireless adapter.

The radios used for WiFi communication are very similar to the radios used for walkie-talkies, cell phones and other devices.

you need to connect your desktop to the router via RG45 ethernet cable.

To set up the router, you connect directly to the router with a network cable, log into the router using your Internet browser, to a code like 192.168.0.1, or similar. I suggest that you use the wizard, but be sure to change: Wireless security of WEP and access code of your 10 digit home or cell phone#, change system ID to something you recognize, change router access password AND RECORD IT, change wireless channel to 11 and avoid conflict with landline cordless phones.

With routers, you have to SAVE on each page or loose settings.

Then install the router, and look for it in the wireless connections list on your laptop. Give the access password and you should be good to go. The desktop usually connects via network cable.

FIRST POSSIBLE SOLUTION: Determine which version of IE you have installed. To do so, click "Help" on the IE toolbar and then click "About Internet Explorer." The version will appear in a dialog box. Go to the Microsoft website and upgrade to IE version 7 if you are using an earlier version. By upgrading, you may be able to resolve your IE problems. Repair damaged files automatically using IE 7's "Reset" feature. Go to the "Tools" menu and click "Internet Options." Click on the "Advanced" tab. Click the "Reset" button. Close all other programs if asked, and then click "Reset" to confirm that you want to reset IE and repair the files. Use XP's System File Checker to resolve IE problems. Click "Start" and then "Run." In the "Open" box, type "sfc /scannow" and click "Go." The System File Checker will scan your computer, finding and repairing damaged or missing files. Restart your computer after the process is finished. Update Windows XP to make sure you have the most recent service pack installed. Go to the Microsoft Windows, check for any available updates and install them. SECOND POSSIBLE SOLUTION: Make sure your computer is not too far away from your wireless router and you have a good signal. By placing your mouse pointer over the wireless connection icon, located in the bottom right corner of your taskbar, you can check to see if your signal strength is good. Anything less than a good signal can cause intermittent connections. SOLUTION: You will need to relocate your wireless router closer to your computer. If you have a 2.4 GHz wireless home phone, take notice if you lose the internet connection when placing or receiving a call. These wireless phones interfere with wireless routers because they both operate on 2.4GHz frequencies. If this happens you need to power down the router and then turn it back on. This will happen occasionally but not all of the time. SOLUTION: (1) upgrade your wireless phone to 5.8GHz, (2) use a corded phone or (3) use a wired internet connection to your router. If steps 1 and 2 did not solve your internet connection, borrow a friend?s laptop with a wireless card and see if their laptop can connect to the internet. Be sure to set your friends wireless connection settings to the same settings that your wireless card is set to. If your friend?s laptop connects to the internet then you may have a bad wireless card. Try reconfiguring your wireless card settings before going out to purchase an external wireless card. If your friend?s laptop can?t connect to the internet, try resetting the router to the factory defaults. Change the settings on the wireless card to the same settings as the factory default on the wireless router. If this works you are back in business. If it does not work for either computer, the wireless portion of your router is bad. SOLUTION: Purchase a new router or use a wired connection to one of your router ports.

To my knowledge of understanding is as if the WIFI is weak and cannot get connected to any network around anymore so if you wish to have a wirelless connection you can still make use of a USB doggle and the network operator or manufacturer will give you the access and you browse anywhere you go with your system and the USB will be connected to your system ok
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If the router is turned ON then automatically your laptop wireless card will detect it and connect to the router.

To say in otherwords, now your notebook and Router are simple network.

You need to contact your router support to configure the router to get Internet. After automatically your notebook gets the Internet from the Router.

The above message is just by what I understood from your message.

If the issue is different, and if the router is already configured to Internet and if there are other systems connected to the router and able to access Internet, then replay back, so that I can explain accordingly

U can take ur laptop to any of the hotspots and u need to turn on the wireless switch in ur laptop so that u can automatically connect to the wireless internet..i think u r aware about hotspots...

If u want to use internet in ur home..u can buy a wireless router..there are lot of companies providing wireless routers..u can buy Linksys..model no is Wrt54g..this wrt54g is a wireless router where u can connect 4 wired desktops and 20 wireless laptops..its cheaper and best.u need to buy a internet connection to connect this router...I suggest u to go for a cable Internet..Cable internet providers are comcast,shah.go for comcast.Hope this info will be useful for u.for further clarifications revert back as soon as possible

Are you using windows XP or Vista. You should not have a problem if after you do a full system recovery, you add any service pack updates. Download these first and burn to a disk. Also make sure that all the drivers get reinstalled ok. After doing the recovery go into system device manager to see if your network card is installed even if it is a internal one on your motherboard.

If your connection is wireless you may need to setup a wired connection first from the router.

Try resetting your IP address:The laptop may be trying to use the IP address from the old router.

1) Click Start (assuming Windows 2000, XP, or Vista)2) Click Run3) Type in CMDThis will take you to a black command box4) Type in: ipconfig/releaseThe chart should show your IP address as 0.0.0.0Once this has happened, proceed to step 55) Type in: ipconfig/renewYou should now see a new IP address listed.

Also note that you need to set up your network key (assuming that you are using one) on both the router and laptop.Make sure that your router is set up to perform as DHCP server.